Spheroidal Weathering Vs Exfoliation Weathering
Both spheroidal weathering and exfoliation weathering break down massive igneous and metamorphic rocks, sometimes creating…
Both spheroidal weathering and exfoliation weathering break down massive igneous and metamorphic rocks, sometimes creating…
Velvet malachite is a textural habit of the copper carbonate hydroxide mineral malachite (Cu₂CO₃(OH)₂), defined by extreme…
Alligator quartz is a distinctive textural variety of quartz defined by its reptile-skin surface composed of tightly packed…
China has developed a groundbreaking form of 24K gold known as Hard Pure Gold (硬足金) — a metallurgical innovation that merg…
Paleontologists in Argentina have uncovered an extraordinary 70-million-year-old dinosaur egg in near-perfect condition — a …
Shungite is a rare, carbon-rich mineraloid rock found primarily in the Karelia region of northwestern Russia, near the vil…
When you find an unusual or eye-catching rock and wonder if it might be valuable, the first step is careful observation and …